Micro-machining of cylindrical parts by electrical discharge grinding

The electrical discharge machining of cylindrical components is decisively influenced by the process conditions resulting from the rotational movement of at least one of the two electrodes. This paper analyses the machining effects developing at high peripheral speeds. Focus of investigation is especially placed on the evaluation of the effects on process behaviour and surface topography. The process variants electrical discharge turning (EDT), electrical discharge grinding (EDG), and wire electrical discharge grinding (WEDG) are compared with respect to the influence by the above-mentioned effects and the resulting process planning.